Shelf



FIG. 1 is an upper perspective view of a shelf showing my new design;

FIG. 2 is another upper perspective view thereof;

FIG. 3 is an upper perspective close-up view of a portion thereof;

FIG. 4 is a lower perspective close-up view of a portion thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view, the right side elevational viewbeing a mirror image thereof; and,

FIG. 7 is a front elevational view thereof.

Phantom lining, where utilized, is for illustrative purposes only, andis not intended to limit the claimed component design to the featuresshown in phantom.

The ornamental design for a shelf, as shown and described. 